What does DNA not contain?

Answers

Answer 1

Answer: DNA does not contain Thymine, which is found in RNA

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The job of a -------- is to store water and other materials / ??

When the comb jelly, Mnemiopsis leidyi, was introduced into the Black Sea, its population exploded to 500 comb jellies per cubic yard in 1988. The jellies devoured all the zooplankton and fish larvae, drastically reducing the numbers of the native fish populations. This situation demonstrates _______.

Answers

The answer is invasive species.

Invasive species are species that are not native to specific ecosystem, but they have a capability to spread widely through the ecosystem, This way they can threaten native species of the ecosystem or cause environmental harm.

After being introduced into the Black Sea, they greatly affect local ecosystem. In the new area, they have no natural predators and are able to spread. If they spread beyond the area they are introduced, they become invasive species which can overgrow native biotopes and are a great threat to the local biodiversity. This could lead to the extinction of some native species.

Answer:B:)

Explanation:edge 2021

What is the difference between respiration and cellular respiration?

Answers

Respiration- only after meal . Only active process is involved

Cellular- Production of ATP via oxidation of organic sugar compounds

I hope this helps :)

How many covalent bonds can a typical carbon atom form?

Answers

4 or less covalent bonds can be formed :)

Final answer:

A typical carbon atom can form four covalent bonds. It attains stability by sharing its four outer shell electrons with other atoms via covalent bonds, a process exemplified by methane.

Explanation:

A typical carbon atom can form four covalent bonds. This is because carbon has four electrons in its outer shell and needs to gain four more electrons to attain stability, which it does by forming covalent bonds with other atoms. A covalent bond is formed when two atoms share electrons. A classic example can be seen in methane (CH4), where one carbon atom forms four covalent bonds with four hydrogen atoms.

Learn more about Covalent Bonds here:

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In polygenic traits when the bell curve distribution of traits moves to one end of the curve because of a preference for best fit of that trait. What's this shift called?

Answers

Answer:

Directional selection

Explanation:

This is known as directional selection.

Answer:

Directional Selection

Explanation:

This is known as directional selection.

1) compare and contrast the Taiga and Desert biomes2) Compare and contrast the Tundra and Grasslands biomes

Answers

Answer: The desert and tundra biomes have very different temperatures as well as extremely different plants and animals. The desert can get very hot during the day, but cool off quickly at night. It has sandy soil and supports very little plant life. Animals found in the desert include lizards, javelinas, Gila monsters, coyotes, bobcats, scorpions, and kangaroo rats. The tundra is cold, dry, and often dark. The average temperature is about 10°F. The soil below the surface is permanently frozen, and is called permafrost. A few types of plants grow during the short summer season. Animals found in the tundra include caribou, foxes, wolves, and Arctic hares.

ok so the taiga and desert biomes are similar because both of them have very little transportation , climate zones and climate zones depending on the latitudes and both biomes have little water available for plants and animals. Taiga biomes have little due to freezing and deserts due to little rain. A difference is that more plants can survive in the taiga than in the deserts, which in turn supports more animals. Deserts have different types of deserts that are characterized in temperature and rainfall.Deserts are the driest biome while taigas are one of the most coldest. A similarity between the Tundra and Grasslands biomes is that the tundra is cold and dry and little to no rainfall every year while, the grassland has warm temperatures with light winds. A similarity between them is that both biomes have a good amount of herbivores and carnivores and animals and plants have adapted to their surroundings

Name the process that causes water to flow into organisms

Answers

Osmosis is a passive transport which moves water molecules from higher to lower gradient.
Osmosis then is the movement of water particles from which has water and from which has not and to provide it with the sufficient H2O.

The concentration of salt in water affects the rate of osmosis because it will determine how much water should be transported or excreted or to be taken in. The cellular process is keen to the salt concentration of its system thus making sure to maintain balance between the salt concentration the right amount of water must also be in its area of release for any expected occurences.

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